<template>
  <button @click="isShow = !isShow">切换显示/隐藏</button>
  <Demo v-if="isShow" />
</template>

<script>
import { ref } from 'vue'
import Demo from './components/Demo.vue'
export default {
  name: 'App',
  components: {
    Demo
  },
  setup() {
    let isShow = ref(true)
    return {isShow}
  }
}
</script>

<style>
</style>
